選B
因?yàn)闀r(shí)態(tài)是現(xiàn)在完成時(shí)
.age跟的是一般過去式
since.age才跟現(xiàn)在完成時(shí)I'm afraid I can't help you ----- I'm too busy A just nowB just at presentC soonD thenB just at present 恐怕幫不了你，我現(xiàn)在太忙了 at present現(xiàn)在
he has been away from the factory .a a week ago b since a week ago
he has been away from the factory .a a week ago b since a week ago
英語人氣：544 ℃時(shí)間：2020-05-11 00:20:58
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